超超临界机组协调控制系统解耦及控制研究  

Research on Intelligent Decoupling and Control of Ultra-Supercritical Units

作　　者：李康 孙宇贞 张婷 黄晓筱 LI Kang;SUN Yu-zhen;ZHANG Ting;HUANG Xiao-xiao(College of Automation Engineering,Shanghai University of Electric Power,Shanghai 200090,China)

机构地区：[1]上海电力大学自动化工程学院,上海200090

出　　处：《计算机仿真》2020年第9期68-76,共9页Computer Simulation

摘　　要：超超临界机组协调控制对象具有强耦合、非线性、变参数等特点。通过对其三输入三输出对象的特性分析,设计了基于一阶模型的解耦环节,并采用改进后的免疫记忆粒子群优化(Immune Memory Particle Swarm Optimization,IMPSO)对开环下的解耦器参数和闭环PID参数进行优化,仿真结果表明上述解耦系统有理想的控制性能。进而在解耦器和控制器参数不变的情况下改变对象模型参数验证系统鲁棒性,测试结果表明系统依然能够保持足够的稳定性,且超调量、调整时间、衰减率等均维持在合理范围内。所设计的解耦补偿器简单易实现,适用于强耦合、非线性、时变的协调控制系统。The ultra-supercritical unit coordinated control object has the characteristics of strong coupling,non⁃linearity and variable features.Through analysis of the dynamic characteristics of the three-input and three-output ob⁃jects,the decoupling link based on the first-order model was designed,and the improved decompressor under the open loop was implemented based on the improved Immune Memory Particle Swarm Optimization(IMPSO).Parame⁃ters and closed-loop PID parameters were optimized.The simulation results show that the decoupling system has ideal control performance.Furthermore,the robustness of the object model parameter verification system is changed under the condition that the parameters of the decoupler and the controller are unchanged.The test results show that the sys⁃tem can still maintain sufficient stability,and the overshoot,adjustment time and attenuation rate are maintained.Within a reasonable range.The designed decoupling compensator is simple and easy to implement,and is suitable for a highly coupled,nonlinearity,time-variable coordinated control system.

关 键 词：超超临界机组 协调控制 免疫记忆粒子群优化 智能解耦 

分 类 号：TM621.2[电气工程—电力系统及自动化]